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2004
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Avalanche 2500
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Repair and Diagnosis
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Different variant/trim
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Section 16 (Engine Control System - 4.8L, 5.3L & 6.0L (DTC P2121 To DTC U0107))
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Diagnostic Information and Procedures
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DTC U0107
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Conditions for Setting the DTC
Conditions for Setting the DTC
WARNING:
This page is about a different variant/trim than selected.
Invalid or missing serial data messages are detected for a predetermined amount of time.
The above condition is met for more than 1 second.